/* --- Γενικά Στοιχεία --- */
* { box-sizing: border-box; }
body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    color: #333;
    line-height: 1.6;
    scroll-behavior: smooth;
    background-color: #fcfcfc;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* --- WhatsApp Floating Button --- */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 35px;
    box-shadow: 2px 5px 15px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: 0.3s;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.1);
    color: white;
}

/* Διόρθωση για να εμφανίζεται σωστά το εικονίδιο του WhatsApp */
.fab.fa-whatsapp {
    font-family: "Font Awesome 6 Brands" !important;
}

/* --- Header & Nav --- */
header {
    background: linear-gradient(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.85)), url('images/main.png'); 
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    height: 75vh;
    color: #1A237E;
    display: flex;
    flex-direction: column;
    border-bottom: 2px solid #eee;
}

nav {
    display: flex;
    justify-content: space-between;
    padding: 20px 50px;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    position: sticky;
    top: 0;
    z-index: 900;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo {
    font-family: 'Pacifico', cursive;
    font-size: 28px;
    color: #FF9800;
}

nav ul { list-style: none; display: flex; margin: 0; padding: 0; }
nav ul li { margin-left: 20px; }
nav ul li a { color: #1A237E; text-decoration: none; font-weight: bold; font-size: 0.9em; text-transform: uppercase; transition: 0.3s; }
nav ul li a:hover { color: #FF9800; }

.hero {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.hero h1 { font-size: 3.2em; margin-bottom: 10px; color: #1A237E; font-weight: 700; text-shadow: 1px 1px 2px rgba(0,0,0,0.05); }
.hero p { font-size: 1.3em; max-width: 700px; color: #444; font-weight: 400; }

.btn {
    background: #FF9800;
    padding: 16px 38px;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    margin-top: 25px;
    transition: 0.3s;
    font-size: 1.1em;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.4);
    display: inline-block;
}
.btn:hover { background: #e65100; transform: translateY(-3px); box-shadow: 0 6px 20px rgba(255, 152, 0, 0.5); }

/* --- Services Section --- */
#services { padding: 90px 0; background: white; text-align: center; }
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
    margin-top: 50px;
}
.service-card {
    background: #fff;
    padding: 45px;
    border-radius: 25px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.05);
    transition: 0.4s;
    border: 1px solid #f2f2f2;
}
.service-card:hover { transform: translateY(-12px); border-color: #FF9800; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.service-card .icon { font-size: 45px; margin-bottom: 25px; display: block; }
.service-card h3 { color: #1A237E; margin-bottom: 18px; font-size: 1.5em; }

/* --- Gallery Section --- */
#gallery { padding: 90px 0; text-align: center; background: #fcfcfc; }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 50px;
}
.gallery-item {
    height: 380px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.gallery-item:hover img { transform: scale(1.15); }

/* --- Contact & Footer --- */
#contact { padding: 100px 0; background: #1A237E; color: white; text-align: center; }
.contact-info { font-size: 1.3em; margin-top: 30px; }
.contact-info p { margin: 15px 0; }
footer { padding: 40px; text-align: center; background: #121858; color: #bbb; font-size: 0.95em; border-top: 1px solid rgba(255,255,255,0.1); }

h2 { font-size: 2.8em; color: #1A237E; margin-bottom: 15px; font-weight: 700; }
#contact h2 { color: white; }

/* Responsive για Κινητά */
@media screen and (max-width: 768px) {
    header { height: 60vh; }
    .hero h1 { font-size: 2.2em; }
    nav { padding: 15px 20px; flex-direction: column; }
    nav ul { margin-top: 15px; }
    .whatsapp-float { width: 55px; height: 55px; bottom: 20px; right: 20px; font-size: 30px; }
}